Issued Patents All Time
Showing 1–25 of 49 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12046687 | Solar cell with high photoelectric conversion efficiency and method for manufacturing solar cell with high photoelectric conversion efficiency | Takenori Watabe, Ryo Mitta, Hiroshi Hashigami | 2024-07-23 |
| 11984522 | High-efficiency backside contact solar cell and method for manufacturing thereof | Hiroshi Hashigami, Takenori Watabe | 2024-05-14 |
| 11804560 | Solar cell and method for manufacturing the same | Takenori Watabe | 2023-10-31 |
| 11742439 | Drying method of polyimide paste and manufacturing method of solar cell having high photoelectric conversion efficiency | Takenori Watabe, Hiroshi Hashigami | 2023-08-29 |
| 11658251 | Solar cell, solar cell manufacturing system, and solar cell manufacturing method | Ryo Mitta, Takenori Watabe | 2023-05-23 |
| 11631779 | Solar cell with high photoelectric conversion efficiency and method for manufacturing solar cell with high photoelectric conversion efficiency | Hiroshi Hashigami, Takenori Watabe, Ryo Mitta | 2023-04-18 |
| 11552202 | High efficiency solar cell and method for manufacturing high efficiency solar cell | Hiroshi Hashigami, Shun Moriyama, Takenori Watabe | 2023-01-10 |
| 11538957 | Methods for manufacturing high photoelectric conversion efficiency solar cell | Takenori Watabe, Hiroshi Hashigami | 2022-12-27 |
| 11424372 | Solar cell, solar cell manufacturing system, and solar cell manufacturing method | Ryo Mitta, Takenori Watabe | 2022-08-23 |
| 11201253 | High photovoltaic-conversion efficiency solar cell, method for manufacturing the same, solar cell module, and photovoltaic power generation system | Ryo Mitta, Takenori Watabe | 2021-12-14 |
| 11049988 | High photoelectric conversion efficiency solar cell and method for manufacturing high photoelectric conversion efficiency solar cell | Takenori Watabe, Ryo Mitta, Hiroshi Hashigami | 2021-06-29 |
| 11038078 | Method for manufacturing high efficiency solar cell | Takenori Watabe, Hiroshi Hashigami | 2021-06-15 |
| 11038070 | High photoelectric conversion efficiency solar cell and method for manufacturing high photoelectric conversion efficiency solar cell | Takenori Watabe, Shun Moriyama, Hiroshi Hashigami | 2021-06-15 |
| 10998463 | High efficiency solar cell and method for manufacturing high efficiency solar cell | Hiroshi Hashigami, Shun Moriyama, Takenori Watabe | 2021-05-04 |
| 10896989 | High efficiency back contact type solar cell, solar cell module, and photovoltaic power generation system | Ryo Mitta, Hiroshi Hashigami, Takenori Watabe | 2021-01-19 |
| 10756223 | Manufacturing method of solar cell with high photoelectric conversion efficiency and solar cell with high photoelectric conversion efficiency | Takenori Watabe, Ryo Mitta, Hiroshi Hashigami | 2020-08-25 |
| 10700223 | High photoelectric conversion efficiency solar battery cell and method for manufacturing high photoelectric conversion solar battery cell | Takenori Watabe, Yoko Matsuo, Hiroshi Hashigami | 2020-06-30 |
| 10692736 | Method for producing high-photoelectric-conversion-efficiency solar cell and high-photoelectric-conversion-efficiency solar cell | Hiroshi Hashigami, Takenori Watabe | 2020-06-23 |
| 10236397 | Method for producing high-efficiency solar cell | Hiroshi Hashigami, Toyohiro Ueguri, Takenori Watabe | 2019-03-19 |
| 8766089 | Semiconductor substrate, electrode forming method, and solar cell fabricating method | Naoki Ishikawa, Satoyuki Ojima, Takenori Watabe, Shigenori Saisu, Toyohiro Ueguri | 2014-07-01 |
| 8319096 | Semiconductor substrate, method for forming electrode, and method for fabricating solar cell | Naoki Ishikawa, Takenori Watabe, Satoyuki Ojima, Toyohiro Ueguri | 2012-11-27 |
| 8253011 | Semiconductor substrate, electrode forming method, and solar cell fabricating method | Naoki Ishikawa, Satoyuki Ojima, Takenori Watabe, Shigenori Saisu, Toyohiro Ueguri | 2012-08-28 |
| 8141484 | Screen printing plate and screen printing apparatus | Satoyuki Ojima, Naoki Ishikawa | 2012-03-27 |
| 8030223 | Solar cell and method of fabricating the same | Masatoshi Takahashi, Hideki Matsumura, Atsushi Masuda, Akira Izumi | 2011-10-04 |
| 7705236 | Electrode material, solar cell, and method for producing solar cell | Naoki Ishikawa, Satoyuki Ojima, Haruhiko Kano, Masanobu Yano | 2010-04-27 |